Apps similar to Preview include SumatraPDF, which is free and open source. Other options are Okular, IrfanView, XnView MP and ImageGlass. You're spoiled for choice with Image Viewers like Preview: we list more than 100 alternatives for Windows, Mac, Linux, Android and iPhone.
This is a Free & Fast Image Viewer and Editor for Windows. There are many tools around doing that, but the aim of this Freeware is to be a small and handy tool doing what it says and running also as a standalone exe file (installer not necessary).
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Quick Picture Viewer is a lightweight, versatile desktop image viewer for Windows. The best replacement for the default Windows photo viewer.
Canada
Redact & Annotate images. Hide or mark up essential parts of your image by simply clicking and dragging on it.
United States
India
Xee is an streamlined and convenient image viewer and browser. It is similar to macOS's Preview.app, but lets you easily browse the entire contents of folders and archives, move and copy image files quickly, and supports many more image formats.
Ukraine
Madamiru is a cross-platform media player written in Rust that can automatically play and shuffle multiple videos, images, and songs at once in a grid layout.
ViewPic is a lightning fast and image viewer for Mac OS X, you can quickly browse through all images in a folder.
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A lightweight multi-platform, fast desktop PDF viewer alternative to Acrobat Reader Tabs, virtualized rendering, stamps, eSignatures, certificate-based signing (PAdES-LT), encrypted PDFs, full-text search, and more.
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First Impression is a free and minimal image viewer with a focus on maximizing the space used for viewing your images by doing away with command bars and buttons. First Impression is controlled entirely by keyboard shortcuts and a small menu accessed by right clicking on the...
All-in-one offline document viewer for Android with OCR and desktop-class rendering — private, open-source, zero tracking.
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